Home / 1,107,345,025.20-1,660,804,961.40-331,016,012.40

Finding the Fourth Proportional to 1,107,345,025.20, 1,660,804,961.40 and 331,016,012.40

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Solution

The fourth proportional to 1,107,345,025.20, 1,660,804,961.40 and 331,016,012.40 is: 496,460,473.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,345,025.20 : 1,660,804,961.40 = 331,016,012.40 : x
  2. Step 2: Convert to fraction form
    1,107,345,025.20/1,660,804,961.40 = 331,016,012.40/x
  3. Step 3: Cross multiply
    1,107,345,025.20x = 1,660,804,961.40 × 331,016,012.40
  4. Step 4: Simplify right side
    1,107,345,025.20x = 549,753,035,696,763,904
  5. Step 5: Solve for x
    x = 549,753,035,696,763,904/1,107,345,025.20
  6. Step 6: Final answer
    x = 496,460,473.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.